tests: abide logging options for clitests

We need to restore logging after calling the cli tools. Centralize
the logging reset behavior since we need that too

Signed-off-by: Cole Robinson <crobinso@redhat.com>

tests/__init__.py

@@ -14,7 +14,7 @@ os.environ.pop("_ARC_DEBUG", None)
 
 # pylint: disable=wrong-import-position
 from virtinst import buildconfig
-from virtinst import log
+from virtinst import log, reset_logging
 # This sets all the cli bits back to their defaults
 imp.reload(buildconfig)
 
@@ -28,9 +28,7 @@ virtxml = None
 
 def setup_logging():
     import logging
-    rootLogger = logging.getLogger()
-    for handler in rootLogger.handlers:
-        rootLogger.removeHandler(handler)
+    reset_logging()
 
     fmt = "%(levelname)-8s %(message)s"
     streamHandler = logging.StreamHandler()

tests/clitest.py

@@ -21,6 +21,7 @@ from virtinst import log
 from virtinst import OSDB
 from virtinst.install import unattended
 
+from tests import setup_logging
 from tests import virtinstall, virtclone, virtconvert, virtxml
 from tests import utils
 
@@ -244,6 +245,8 @@ class Command(object):
             sys.argv = oldargv
             if oldenv:
                 os.environ = oldenv
+            # Reset logging
+            setup_logging()
 
 
     def _get_output(self, conn):

virtinst/__init__.py

@@ -65,4 +65,4 @@ from virtinst.snapshot import DomainSnapshot
 
 from virtinst.connection import VirtinstConnection
 
-from virtinst.logger import log
+from virtinst.logger import log, reset_logging

virtinst/cli.py

@@ -23,7 +23,7 @@ from .buildconfig import BuildConfig
 from .connection import VirtinstConnection
 from .devices import (Device, DeviceController, DeviceDisk, DeviceGraphics,
         DeviceInterface, DevicePanic)
-from .logger import log
+from .logger import log, reset_logging
 from .nodedev import NodeDevice
 from .osdict import OSDB
 from .storage import StoragePool, StorageVolume
@@ -119,6 +119,7 @@ def setupParser(usage, description, introspection_epilog=False):
 
 
 def earlyLogging():
+    reset_logging()
     import logging
     logging.basicConfig(level=logging.DEBUG, format='%(message)s')
 
@@ -159,14 +160,7 @@ def setupLogging(appname, debug_stdout, do_quiet, cli_app=True):
 
     import logging
     import logging.handlers
-    rootLogger = logging.getLogger()
-
-    # Undo early logging
-    for handler in rootLogger.handlers:
-        rootLogger.removeHandler(handler)
-    # Undo any logging on our log handler. Needed for test suite
-    for handler in log.handlers:
-        log.removeHandler(handler)
+    reset_logging()
 
     log.setLevel(logging.DEBUG)
     if logfile:

virtinst/logger.py

@@ -7,3 +7,15 @@ import logging
 
 # This is exported by virtinst/__init__.py
 log = logging.getLogger("virtinst")
+
+
+def reset_logging():
+    rootLogger = logging.getLogger()
+
+    # Undo early logging
+    for handler in rootLogger.handlers:
+        rootLogger.removeHandler(handler)
+
+    # Undo any logging on our log handler. Needed for test suite
+    for handler in log.handlers:
+        log.removeHandler(handler)